CN112173727B - Automatic moving hanging rack for electronic part production and using method - Google Patents
Automatic moving hanging rack for electronic part production and using method Download PDFInfo
- Publication number
- CN112173727B CN112173727B CN202010888780.3A CN202010888780A CN112173727B CN 112173727 B CN112173727 B CN 112173727B CN 202010888780 A CN202010888780 A CN 202010888780A CN 112173727 B CN112173727 B CN 112173727B
- Authority
- CN
- China
- Prior art keywords
- cross rod
- installation bin
- steering motor
- induction coil
- magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G54/00—Non-mechanical conveyors not otherwise provided for
- B65G54/02—Non-mechanical conveyors not otherwise provided for electrostatic, electric, or magnetic
Landscapes
- Toys (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses an automatic moving hanger for electronic part production and a using method thereof, the automatic moving hanger comprises a fixing frame and a magnetic track, a cross rod is fixed at the bottom end of the fixing frame, an installation bin is arranged inside one end of the cross rod, a steering motor is arranged inside the installation bin, a rotary hole is arranged on the inner wall of the bottom side of the installation bin, a rotary shaft is arranged inside the rotary hole, a gear is fixed at the top end of the rotary shaft inside the installation bin, a power output shaft of the steering motor is meshed with the gear through a lead screw, rotary wheels are arranged at the bottom end of the rotary shaft and the ground of one end of the cross rod far away from the installation bin through the installation bin, excitation coils are arranged inside a straight channel and a curved channel, the excitation coils are connected with an alternating current power supply through wires, the excitation coils between the curved channel and the straight channel are connected through relays, and the input end of the steering motor is connected with a single chip microcomputer through wires. Through the cooperation of above each device use, can realize the customization of transfer route, improve factory space utilization to reduce the cost of automatic transfer stores pylon.
Description
Technical Field
The invention relates to the technical field related to electronic part production equipment, in particular to an automatic moving hanger for electronic part production and a using method thereof.
Background
The production of electron spare part often need use the stores pylon to carry out the transportation of product, and the automatic operation of stores pylon can be realized to current intelligent equipment, but the cost is higher, and installation and maintenance all need higher professional knowledge to, the transportation of spare part if can plan specific route, can be undoubtedly more high-efficient with the transportation of spare part, also can make the utilization in factory space reach the maximize.
Disclosure of Invention
The invention aims to provide an automatic moving hanger for electronic part production and a using method thereof, and aims to solve the problems that the existing intelligent equipment for part transportation in the background art is high in cost and cannot fully utilize the space of a factory.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic moving hanger for electronic part production and a using method thereof comprise a fixing frame and magnetic tracks, wherein a cross rod is fixed at the bottom end of the fixing frame, an installation bin is arranged inside one end of the cross rod, a steering motor is arranged inside the installation bin, a rotary hole is formed in the inner wall of the bottom side of the installation bin, a rotary shaft is arranged inside the rotary hole, a gear is fixed at the top end of the rotary shaft inside the installation bin, a power output shaft of the steering motor is meshed with the gear through a lead screw, rotary wheels are arranged on the bottom end of the rotary shaft and the ground of one end, far away from the installation bin, of the cross rod through a mounting frame of a U-shaped structure, the magnetic tracks comprise a plurality of straight tracks and bent tracks with the same number as the straight tracks, exciting coils are arranged inside the straight tracks and the bent tracks, the exciting coils are connected with an alternating current power supply through leads, and the exciting coils between the bent tracks are connected through relays, the relay is connected with a master control platform of the production line through a wire, and the input end of the steering motor is connected with a single chip microcomputer through a wire.
In a further embodiment, a power motor is installed on the side face of the installation frame, which is located right below the rotating shaft, a power output shaft of the power motor penetrates through the installation frame and is fixed with the circle center of the rotating wheel, and the power motor is connected with the output end of the single chip microcomputer through a wire.
In a further embodiment, a probe rod is fixed at the end part of the cross rod close to the mounting bin, the probe rod comprises three probe arms, an equipment cabin is arranged in each probe arm, the three probe arms are all arranged along the horizontal direction, one probe arm is arranged along the direction of the cross rod, the other two probe arms are all perpendicular to the direction of the cross rod, the three probe arms respectively control the advancing direction of the cross rod, and therefore the cross rod can advance in multiple directions along a magnetic track through the combination of a straight channel and a curved channel.
In a further embodiment, a magnet is fixed on the inner wall of the bottom side of the equipment compartment, a telescopic membrane is arranged on the inner wall of the top side of the equipment compartment right above the magnet, and an induction coil is fixed on one side of the telescopic membrane close to the magnet.
In a further embodiment, the central axis of the induction coil coincides with the center of the telescopic membrane, the induction coil is sleeved on the outer wall of the magnet, and the inner diameter of the induction coil is 1.5 times of the outer diameter of the magnet.
In a further embodiment, the center department that magnet one side was kept away from to flexible membrane is provided with the contact, the inner wall of equipment compartment top side is close to center department and is provided with the tie point with contact assorted, and the contact through contact and tie point sends level signal to the singlechip, can reduce the complexity of mould electricity design, simultaneously, can also conveniently make things convenient for getting rid of the fault point, makes the degree of difficulty of overhaul of the equipments reduce.
Preferably, based on the automatic moving rack and the automatic moving method for electronic component production, the method specifically comprises the following steps:
t1, the exciting coil is led in alternating current to generate an alternating magnetic field, the relay is connected with a master control platform of the production line through a lead, the relay controls the sequence of closed circuits of the exciting coil in the straight track and the bent track, and the power motor drives the rotating wheel to rotate, so that the cross rod drags the fixed frame to move on the top surface of the magnetic track and move along the magnetic track, and the contact and the connection point are respectively connected with adjacent pins at the input end of the single chip microcomputer through leads;
t2, when the induction coil is in the alternating magnetic field, the induction coil can generate the alternating induction magnetic field, when the induction magnetic field generated by the induction coil is opposite to the direction of the magnetic field of the magnet, the induction coil drags the telescopic film to extend and retract towards the inner wall of the top side of the equipment cabin, and the contact point is contacted with the connection point, after the contact between the contact point and the connection point, the singlechip is excited by high level, initially, the fixing frame moves along a straight channel, when the relay conducts the power supply of the exciting coil in the curve, the induction coil in the probing arm vertical to the direction of the cross rod is excited to generate the alternating magnetic field, and the contact point is contacted with the connection point, the singlechip is excited, the power supply of the steering motor is closed, and the steering motor enables the fixing frame to rotate by 45 degrees through the screw rod and the gear;
t3, the feeler arm extending along the curve is firstly influenced by the exciting coil in the curve, the steering motor can control the runner to deflect towards the curve direction, and when the feeler arm extending along the cross bar is excited by the exciting coil from the straight path again, the singlechip immediately controls the runner to reset through the steering motor.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the relay closes the power supply of the exciting coil in a segmented manner, the induction coil is excited by the alternating magnetic field, the contact and the connecting point are attached through the extension and retraction of the telescopic film, the steering information is transmitted to the single chip microcomputer, the operation of the steering motor is realized, the cross rod can drag the fixing frame to move along the direction of the magnetic track, and the automatic movement of the hanging frame is realized.
2. According to the invention, the magnet can apply magnetic forces in different directions to the induction coil generating the induction magnetic field, so that the telescopic film can vibrate in the equipment cabin, the contact and the connection point are in contact with each other at the frequency of alternating current, the single chip microcomputer can obtain a high-level signal with fixed frequency, and the signal at the information input end of the single chip microcomputer can be more stable.
Drawings
FIG. 1 is a diagram of a holder according to an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of a probe arm according to an embodiment of the invention;
FIG. 3 is a partial cross-sectional view of a cross-bar according to an embodiment of the present invention;
FIG. 4 is a logic block diagram of a single chip microcomputer according to an embodiment of the present invention.
In the figure: 1. a fixed mount; 2. a magnetic track; 3. a cross bar; 4. installing a bin; 5. a steering motor; 51. hole turning; 6. a rotating shaft; 7. a gear; 8. a screw rod; 9. a mounting frame; 91. a power motor; 10. a rotating wheel; 11. straight path; 12. a bend; 13. an excitation coil; 14. a relay; 15. a single chip microcomputer; 16. a probe rod; 17. a feeler arm; 18. an equipment compartment; 19. a magnet; 20. a stretch film; 21. an induction coil; 22. a contact; 23. and connecting points.
Detailed Description
In order to realize the customization of a transfer route, improve the utilization rate of factory space and reduce the cost of an automatic transfer hanger, the automatic moving hanger for producing electronic parts and the use method are particularly provided. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Please refer to fig. 1-4, the embodiment provides an automatic moving rack for electronic component production, comprising a fixed frame 1 and a magnetic track 2, a cross rod 3 is fixed at the bottom end of the fixed frame 1, an installation bin 4 is arranged inside one end of the cross rod 3, a steering motor 5 is arranged inside the installation bin 4, a rotating hole 51 is arranged on the inner wall of the bottom side of the installation bin 4, a rotating shaft 6 is arranged inside the rotating hole 51, a gear 7 is fixed inside the installation bin 4 at the top end of the rotating shaft 6, a power output shaft of the steering motor 5 is meshed with the gear 7 through a screw rod 8, the screw rod 8 not only can realize the rotation of the gear 7, but also can realize the fixing effect on the gear 7 when the steering motor 5 is not excited, and can avoid the occurrence of the motion of the fixed frame 1 deviating from the magnetic track 2 direction.
The bottom of pivot 6 and the ground that horizontal pole 3 kept away from installation storehouse 4 one end all install runner 10 through mounting bracket 9 of U-shaped structure, what magnetic track 2 included many straight lanes 11 and with the same bend 12 of straight lane 11 figure, exciting coil 13 is all installed to the inside of straight lane 11 and bend 12, exciting coil 13 passes through the wire and is connected with alternating current power supply, exciting coil 13 between bend 12 and the straight lane 11 passes through relay 14 and links to each other, relay 14 passes through the wire and is connected with the total accuse platform of production line, the input that turns to motor 5 is connected with singlechip 15 through the wire.
The power motor 91 is arranged on the side surface of the mounting frame 9 which is positioned right below the rotating shaft 6, a power output shaft of the power motor 91 penetrates through the circle center of the mounting frame 9 and the rotating wheel 10 to be fixed, and the power motor 91 is connected with the output end of the single chip microcomputer 15 through a wire.
The end part of the cross rod 3 close to the mounting bin 4 is fixed with a probe rod 16, the probe rod 16 comprises three probe arms 17, an equipment cabin 18 is arranged inside the probe arms 17, the three probe arms 17 are all arranged along the horizontal direction, one of the probe arms extends along the direction of the cross rod 3, the directions of the rest two probe arms are perpendicular to the direction of the cross rod 3, the three probe arms 17 respectively control the advancing direction of the cross rod 3, and therefore through the combination between the straight channel 11 and the bent channel 12, the cross rod 3 can advance in multiple directions along the magnetic track 2.
A magnet 19 is fixed on the inner wall of the bottom side of the equipment compartment 18, a telescopic membrane 20 is arranged on the inner wall of the top side of the equipment compartment 18 and right above the magnet 19, and an induction coil 21 is fixed on one side of the telescopic membrane 20 close to the magnet 19.
The central axis of the induction coil 21 coincides with the center of the telescopic film 20, the induction coil 21 is sleeved on the outer wall of the magnet 19, and the inner diameter of the induction coil 21 is 1.5 times of the outer diameter of the magnet 19.
The center department that flexible membrane 20 kept away from magnet 19 one side is provided with contact 22, and the inner wall of equipment cabin 18 top side is close to center department and is provided with and contacts 22 assorted tie point 23, and the contact through contact 22 and tie point 23 sends level signal to singlechip 15, can reduce the complexity of mould electricity design, simultaneously, can also make things convenient for the clearance to the fault point, makes the difficulty of equipment maintenance reduce.
In this embodiment, the excitation coil 13 is switched on to generate an alternating magnetic field, the relay 14 is connected to a master control platform of the production line through a wire, the relay 14 controls the sequence of the closed circuits of the excitation coil 13 inside the straight track 11 and the curved track 12, and the power motor 91 drives the rotating wheel 10 to rotate, so that the cross bar 3 drags the fixing frame 1 to move on the top surface of the magnetic track 2 and along the magnetic track 2, and the contact 22 and the connection point 23 are respectively connected to adjacent pins at the input end of the single chip microcomputer 15 through wires.
When the induction coil 21 is in the alternating magnetic field, the induction coil can generate the alternating induction magnetic field, when the induction magnetic field generated by the induction coil 21 is opposite to the magnetic field direction of the magnet 19, the induction coil 21 drags the telescopic film 20 to extend and retract towards the inner wall of the top side of the equipment cabin 18, and the contact 22 is contacted with the connection point 23, after the contact between the induction magnetic field and the magnet 19, the singlechip 15 is excited at a high level, initially, the fixed frame 1 moves along the straight channel 11, when the relay 14 conducts the power supply of the exciting coil 13 in the bent channel 12, the induction coil 21 in the probe arm 17 vertical to the direction of the cross rod 3 is excited to generate the alternating magnetic field, the contact 22 is contacted with the connection point 23, the singlechip 15 is excited, the power supply of the steering motor 5 is closed, and the steering motor 5 enables the fixed frame 9 to rotate by 45 degrees through the screw rod 8 and the gear 7.
The feeler arm 17 extending along the curve 12 is firstly affected by the exciting coil 13 inside the curve 12, and the steering motor 5 controls the steering wheel 10 to deflect towards the curve direction of the curve 12, when the feeler arm 17 extending along the direction of the cross rod 3 is excited again by the exciting coil 13 from the straight track 11, the singlechip 15 controls the steering wheel 10 to reset through the steering motor 5.
Through the cooperation of above each device use, can realize the customization of transfer route, improve factory space utilization to reduce the cost of automatic transfer stores pylon.
Example 2
Referring to fig. 2, a further improvement is made on the basis of embodiment 1: the inner wall of the bottom side of the equipment compartment 18 is fixed with a magnet 19, the inner wall of the top side of the equipment compartment 18 is provided with a telescopic membrane 20 right above the magnet 19, one side of the telescopic membrane 20 close to the magnet 19 is fixed with an induction coil 21, the magnet 19 can apply magnetic force in different directions to the induction coil 21 generating an induction magnetic field, the telescopic membrane 20 can vibrate inside the equipment compartment 18, a contact 22 is in contact with a connection point 23 through alternating current frequency, the single chip microcomputer 15 can obtain a high-level signal with fixed frequency, and the signal of an information input end of the single chip microcomputer 15 can be more stable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An automatic mobile hanging frame for producing electronic parts comprises a fixed frame (1) and a magnetic track (2), and is characterized in that: the bottom of the fixing frame (1) is fixed with a cross rod (3), an installation bin (4) is arranged inside one end of the cross rod (3), a steering motor (5) is arranged inside the installation bin (4), a rotary hole (51) is formed in the inner wall of the bottom side of the installation bin (4), a rotary shaft (6) is arranged inside the rotary hole (51), a gear (7) is fixed inside the installation bin (4) at the top end of the rotary shaft (6), a power output shaft of the steering motor (5) is meshed with the gear (7) through a screw rod (8), a rotary wheel (10) is arranged on the bottom end of the rotary shaft (6) and the ground, far away from one end of the installation bin (4), of the cross rod (3) through a mounting frame (9) of a U-shaped structure, the magnetic track (2) comprises a plurality of straight channels (11) and curved channels (12) with the same number as the straight channels (11), excitation coils (13) are arranged inside the straight channels (11) and the curved channels (12), the excitation coil (13) is connected with an alternating current power supply through a wire, the excitation coil (13) between the bend (12) and the straight road (11) is connected through a relay (14), the relay (14) is connected with a master control platform of a production line through a wire, and the input end of the steering motor (5) is connected with a single chip microcomputer (15) through a wire;
a probe rod (16) is fixed at the end part of the cross rod (3) close to the mounting bin (4), the probe rod (16) comprises three probe arms (17), an equipment cabin (18) is arranged inside each probe arm (17), the three probe arms (17) are all arranged along the horizontal direction, one probe arm is arranged along the direction of the cross rod (3), and the other two probe arms are all perpendicular to the direction of the cross rod (3);
a magnet (19) is fixed on the inner wall of the bottom side of the equipment cabin (18), a telescopic film (20) is arranged on the inner wall of the top side of the equipment cabin (18) right above the magnet (19), and an induction coil (21) is fixed on one side, close to the magnet (19), of the telescopic film (20);
the center pin of induction coil (21) and the center department coincidence of flexible membrane (20), induction coil (21) cup joints the outer wall at magnet (19), the center department that magnet (19) one side was kept away from in flexible membrane (20) is provided with contact (22), the inner wall of equipment cabin (18) top side is close to center department and is provided with and contacts (22) assorted tie point (23).
2. The automated mobile rack for electronic component production according to claim 1, wherein: be located under pivot (6) the side-mounting of mounting bracket (9) has motor power (91), the centre of a circle department that mounting bracket (9) and runner (10) were passed to the power output shaft of motor power (91) is fixed, motor power (91) pass through the wire and are connected with the output of singlechip (15).
3. The automated mobile rack for electronic component production according to claim 1, wherein: the inner diameter of the induction coil (21) is 1.5 times of the outer diameter of the magnet (19).
4. The automatic moving method of an automatic moving rack for electronic parts production according to claim 1, characterized by comprising the steps of:
t1, an excitation coil (13) is led in alternating current to generate an alternating magnetic field, a relay (14) is connected with a master control platform of a production line through a lead, the relay (14) controls the sequence of closed circuits of the excitation coil (13) in a straight track (11) and a bent track (12), a power motor (91) drives a rotating wheel (10) to rotate, so that a cross rod (3) drags a fixing frame (1) to move on the top surface of a magnetic track (2) and along the magnetic track (2), and a contact (22) and a connection point (23) are respectively connected with adjacent pins at the input end of a single chip microcomputer (15) through leads;
t2, when the induction coil (21) is in the alternating magnetic field, the induction coil (21) can generate the alternating induction magnetic field, when the direction of the induction magnetic field generated by the induction coil (21) is opposite to the direction of the magnetic field of the magnet (19), the induction coil (21) drags the telescopic film (20) to extend and retract towards the inner wall of the top side of the equipment cabin (18), and the contact (22) and the connection point (23) are contacted, after the contact, the singlechip (15) is excited by high level, initially, the fixed frame (1) moves along the straight way (11), when the relay (14) conducts the power supply of the exciting coil (13) in the curved way (12), the induction coil (21) in the feeler arm (17) vertical to the direction of the cross bar (3) is excited to generate the alternating magnetic field, and the contact (22) is contacted with the connection point (23), the singlechip (15) is excited, and the power supply of the steering motor (5) is closed, the steering motor (5) rotates the mounting rack (9) by 45 degrees through the screw rod (8) and the gear (7);
t3, the feeler arm (17) extending along the extension direction of the curve (12) is firstly influenced by the exciting coil (13) in the curve (12), the steering motor (5) can control the runner (10) to deflect towards the bending direction of the curve (12), and when the feeler arm (17) extending along the direction of the transverse rod (3) is excited by the exciting coil (13) from the straight channel (11) again, the singlechip (15) can control the runner (10) to reset through the steering motor (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010888780.3A CN112173727B (en) | 2020-08-28 | 2020-08-28 | Automatic moving hanging rack for electronic part production and using method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010888780.3A CN112173727B (en) | 2020-08-28 | 2020-08-28 | Automatic moving hanging rack for electronic part production and using method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112173727A CN112173727A (en) | 2021-01-05 |
CN112173727B true CN112173727B (en) | 2022-02-11 |
Family
ID=73924521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010888780.3A Active CN112173727B (en) | 2020-08-28 | 2020-08-28 | Automatic moving hanging rack for electronic part production and using method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112173727B (en) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6101952A (en) * | 1997-12-24 | 2000-08-15 | Magnemotion, Inc. | Vehicle guidance and switching via magnetic forces |
DE102007014876B4 (en) * | 2007-03-26 | 2010-04-08 | Kba-Metronic Aktiengesellschaft | transport system |
CN203581867U (en) * | 2013-09-25 | 2014-05-07 | 北京农业信息技术研究中心 | Automatic transport vehicle for seedling growing plugs |
CN104172707B (en) * | 2014-08-12 | 2016-03-09 | 宁波家禾节能科技有限公司 | A kind of electronic manned luggage case |
CN107934426A (en) * | 2017-12-15 | 2018-04-20 | 合肥中导机器人科技有限公司 | Turning magnetic stripe track, turning method and the system of a kind of AGV |
CN208092543U (en) * | 2018-04-12 | 2018-11-13 | 芜湖友仁机电工程有限公司 | A kind of AGV travelling bogies with magnetic guide |
JP7109744B2 (en) * | 2019-01-30 | 2022-08-01 | マツダ株式会社 | vehicle system |
-
2020
- 2020-08-28 CN CN202010888780.3A patent/CN112173727B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN112173727A (en) | 2021-01-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107973093B (en) | Intelligent overturning conveyor | |
US7814953B2 (en) | Labelling machine | |
CN112173727B (en) | Automatic moving hanging rack for electronic part production and using method | |
CN202245160U (en) | Self-propelled trolley conveying system | |
CN107809050A (en) | A kind of accurate feed mechanism of cable | |
CN108666131B (en) | transformer coil winding device | |
CN202018852U (en) | Constant-tension pay-off device | |
HU224385B1 (en) | Current pickup device for an electric vehicle powered by a self-insulated power line and transport system | |
CN203607159U (en) | Integral pay-off rack | |
CN219610115U (en) | Wire bundling machine for cable processing production | |
CN106347956B (en) | Transmission system and its control method in a kind of pipeline | |
CN204323255U (en) | A kind of instrument wire harness being applied to pure electric automobile | |
CN110721486B (en) | Double-track three-dimensional moving aircraft for central stage | |
CN206106991U (en) | Remove power supply main side circuit and do not have wearing and tearing device | |
CN101820189A (en) | Non-contact type power supply device for supplying power to automatic doffer | |
CN207608774U (en) | A kind of track switch | |
CN2772664Y (en) | Wire-stacking synchronous automatic speed controller of drum | |
CN102295190B (en) | Supply line keeps structure | |
CN210380597U (en) | Distributed stator winding wire arrangement mechanism | |
CN209080397U (en) | It is a kind of vertical for mark system | |
CN102491070A (en) | Rail type automatic guiding vehicle with automatic tracking system | |
CN202778993U (en) | Light-emitting diode (LED) material dividing equipment with swing arm | |
KR20110004233U (en) | JIG Unit For Wiring Harness | |
CN216376298U (en) | Pendulum clock type PF line occupying number sender | |
CN220753145U (en) | Wire branching machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |